This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Alaska purchase U.S. stamp.. en The AlaskaYukonPacific Exposition commemorated the nation northwest territory on the th anniversary of the Klondike Gold rush and the th anniversary of the purchase of Alaska Delayed from to to avoid competing with the Jamestown Exposition Post Office Smithsonian National Postal Museum Arago